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IMPORTANCE OF SURFACE/INTERFACE EFFECT TO PROPERTIES OF MATERIALS AT NANO-SCALE

机译:表面/界面效应对纳米尺度材料性能的重要性

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摘要

This paper begins with the generalised Young-Laplace equation that complements corresponding equations in the bulk material. It then generalises the classical Eshelby formalism to nano-inhomogeneities; the Eshelby tensor now depends on the size of the inhomogeneity and the location of the material point in it. This is followed by generalisation of the micro-mechanical framework for determining the effective properties of heterogeneous solids containing nano-inhomogeneities. Finally, it is shown that the elastic constants of nanochannel-array materials with a large surface area can be made to exceed those of the non-porous matrices through pore surface modification.
机译:本文从广义的Young-Laplace方程开始,该方程补充了散装材料中的相应方程。然后将经典的Eshelby形式主义泛化为纳米不均一性。现在,Eshelby张量取决于不均匀性的大小和其中的实质点的位置。接下来是微机械框架的一般化,用于确定包含纳米异质性的异质固体的有效特性。最后,表明通过孔表面改性可以使具有大表面积的纳米通道阵列材料的弹性常数超过无孔基质的弹性常数。

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